Four Treasures Reference Database
Record No. 629
Developments and highlights at GIA’s lab in New York: Flux-grown synthetic rubies
Journal Article
Crowningshield, G.R. (1970) Developments and highlights at GIA’s lab in New York: Flux-grown synthetic rubies. Gems & Gemology, Vol. 13, No. 4, Winter 1969–70, pp. 112–117.
ISBN/ISSN: 0016626X | Sinkankas/Born No.: NIS/NIB | RWHL
corundum, synthetic corundum.7, Chatham, gems